I've noticed that one of my batteries has a very small ridge on the right side. It's barely visible but it's there.
Barely visible ridge on the right from top to bottom along the axis where the "CE" sign is at ...
Looking from the top, there's no evidence
Top view
The App tells the following:
Battery Details in-app
There's a tiny voltage difference in cell N°3.
If this would be a stack of 3 common 18350 Li-IMR cell, this wouldn't raise much of a concern on my end but since we're talking about a precious drone and not a vaping device I'm really unsure...
Should I replace it?
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